Eosinophilic pancreatitis presenting as possible malignancy.

Eosinophilic pancreatitis is a rare form of chronic pancreatitis that is often mistaken for malignancy due to nonspecific presenting symptoms and noncontributory auxiliary exams. This clinical case report highlights a unique presentation of chronic pancreatitis. A middle-aged man developed abdominal pain, and repeat imaging showed an interval increase in size of a known pancreatic lesion.